Mathematics · Time and Work
The first pipe can fill a tank in 12 hours. The second pipe can fill the same tank in 6 hours, and the third pipe can fill it in 4 hours. How long will it take if all three pipes are opened simultaneously?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 112 hours
- 24 hours
- 33 hours
- 42 hours✓
Correct answer
2 hours
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